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(-) Description

Title :  AB INITIO SOLUTION AND REFINEMENT OF TWO HIGH POTENTIAL IRON PROTEIN STRUCTURES AT ATOMIC RESOLUTION
 
Authors :  E. Parisini, F. Capozzi, P. Lubini, V. Lamzin, C. Luchinat, G. M. Sheldrick
Date :  24 Apr 99  (Deposition) - 13 May 99  (Release) - 24 Feb 09  (Revision)
Method :  X-RAY DIFFRACTION
Resolution :  1.20
Chains :  Asym./Biol. Unit :  A,B
Keywords :  Electron Transfer Protein, Atomic Resolution, Direct Methods, Iron-Sulphur Cluster, Metalloprotein (Keyword Search: [Gene Ontology, PubMed, Web (Google)] )
 
Reference :  E. Parisini, F. Capozzi, P. Lubini, V. Lamzin, C. Luchinat, G. M. Sheldrick
Ab Initio Solution And Refinement Of Two High-Potential Iron Protein Structures At Atomic Resolution.
Acta Crystallogr. , Sect. D V. 55 1773 1999
PubMed-ID: 10531472  |  Reference-DOI: 10.1107/S0907444999009129
(for further references see the PDB file header)

(-) Compounds

Molecule 1 - PROTEIN (HIPIP)
    Chains: A, B
    Engineered: YES
    Expression System: ESCHERICHIA COLI
    Expression System Plasmid: PLEHP20
    Expression System Strain: XL1BLUE
    Expression System Taxid: 562
    Organism Scientific: ALLOCHROMATIUM VINOSUM
    Organism Taxid: 1049
    Strain: XL1BLUE

 Structural Features

(-) Chains, Units

  12
Asymmetric/Biological Unit : AB

Summary Information (see also Sequences/Alignments below)

(-) Ligands, Modified Residues, Ions  (1, 2)

Asymmetric/Biological Unit (1, 2)
No.NameCountTypeFull Name
1SF42Ligand/IonIRON/SULFUR CLUSTER

(-) Sites  (2, 2)

Asymmetric Unit (2, 2)
No.NameEvidenceResiduesDescription
1AC1SOFTWARETYR A:19 , CYS A:43 , CYS A:46 , PHE A:48 , CYS A:63 , CYS A:77BINDING SITE FOR RESIDUE SF4 A 87
2AC2SOFTWARECYS B:43 , CYS B:46 , PHE B:48 , CYS B:63 , LEU B:65 , CYS B:77BINDING SITE FOR RESIDUE SF4 B 87

(-) SS Bonds  (0, 0)

(no "SS Bond" information available for 1CKU)

(-) Cis Peptide Bonds  (0, 0)

(no "Cis Peptide Bond" information available for 1CKU)

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (0, 0)

(no "SAP(SNP)/Variant" information available for 1CKU)

(-) PROSITE Motifs  (1, 2)

Asymmetric/Biological Unit (1, 2)
 PROSITEUniProtKBPDB
No.IDACDescriptionIDLocationCountLocation
1HIPIPPS51373 High potential iron-sulfur proteins family profile.HIP_ALLVD38-122
 		  2A:1-85
B:1-85

(-) Exons   (0, 0)

(no "Exon" information available for 1CKU)

(-) Sequences/Alignments

Asymmetric/Biological Unit
   Reformat: Number of residues per line =  ('0' or empty: single-line sequence representation)
  Number of residues per labelling interval =   
  UniProt sequence: complete  aligned part    
   Show mapping: SCOP domains CATH domains Pfam domains Secondary structure (by author)
SAPs(SNPs) PROSITE motifs Exons
(details for a mapped element are shown in a popup box when the mouse pointer rests over it) 
Chain A from PDB  Type:PROTEIN  Length:85
 aligned with HIP_ALLVD | P00260 from UniProtKB/Swiss-Prot  Length:122

    Alignment length:85
                                    47        57        67        77        87        97       107       117     
            HIP_ALLVD    38 SAPANAVAADDATAIALKYNQDATKSERVAAARPGLPPEEQHCANCQFMQADAAGATDEWKGCQLFPGKLINVNGWCASWTLKAG 122
               SCOP domains d1ckua_ A: HIPIP (high potential iron protein)                                        SCOP domains
               CATH domains 1ckuA00 A:1-85 High-Potential Iron-Sulfur Protein, subunit A                          CATH domains
               Pfam domains ------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ...........hhhhhh.....hhh..hhhh......hhh..hhh..............eee.......eee............. Sec.struct. author
                 SAPs(SNPs) ------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE HIPIP  PDB: A:1-85 UniProt: 38-122                                                    PROSITE
                 Transcript ------------------------------------------------------------------------------------- Transcript
                 1cku A   1 SAPANAVAADDATAIALKYNQDATKSERVAAARPGLPPEEQHCANCQFMQADAAGATDEWKGCQLFPGKLINVNGWCASWTLKAG  85
                                    10        20        30        40        50        60        70        80     


Chain B from PDB  Type:PROTEIN  Length:85
 aligned with HIP_ALLVD | P00260 from UniProtKB/Swiss-Prot  Length:122

    Alignment length:85
                                    47        57        67        77        87        97       107       117     
            HIP_ALLVD    38 SAPANAVAADDATAIALKYNQDATKSERVAAARPGLPPEEQHCANCQFMQADAAGATDEWKGCQLFPGKLINVNGWCASWTLKAG 122
               SCOP domains d1ckub_ B: HIPIP (high potential iron protein)                                        SCOP domains
               CATH domains 1ckuB00 B:1-85 High-Potential Iron-Sulfur Protein, subunit A                          CATH domains
               Pfam domains ------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ...........hhhhhh.....hhh..hhhh......hhh..hhh........................................ Sec.struct. author
                 SAPs(SNPs) ------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE HIPIP  PDB: B:1-85 UniProt: 38-122                                                    PROSITE
                 Transcript ------------------------------------------------------------------------------------- Transcript
                 1cku B   1 SAPANAVAADDATAIALKYNQDATKSERVAAARPGLPPEEQHCANCQFMQADAAGATDEWKGCQLFPGKLINVNGWCASWTLKAG  85
                                    10        20        30        40        50        60        70        80
   Legend:   → Mismatch (orange background)
  - → Gap (green background, '-', border residues have a numbering label)
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  x → Chemical Group (purple background, 'x', labelled with number + name, e.g. ACE or NH2)
  extra numbering lines below/above indicate numbering irregularities and modified residue names etc., number ends below/above '|'

 Classification and Annotation

(-) SCOP Domains  (1, 2)

Asymmetric/Biological Unit
(-)
Class: Small proteins (3458)

(-) CATH Domains  (1, 2)

Asymmetric/Biological Unit
(-)
Class: Few Secondary Structures (1120)

(-) Pfam Domains  (0, 0)

(no "Pfam Domain" information available for 1CKU)

(-) Gene Ontology  (7, 7)

Asymmetric/Biological Unit(hide GO term definitions)
Chain A,B   (HIP_ALLVD | P00260)
molecular function
    GO:0051539    4 iron, 4 sulfur cluster binding    Interacting selectively and non-covalently with a 4 iron, 4 sulfur (4Fe-4S) cluster; this cluster consists of four iron atoms, with the inorganic sulfur atoms found between the irons and acting as bridging ligands.
    GO:0009055    electron carrier activity    Any molecular entity that serves as an electron acceptor and electron donor in an electron transport chain. An electron transport chain is a process in which a series of electron carriers operate together to transfer electrons from donors to any of several different terminal electron acceptors to generate a transmembrane electrochemical gradient.
    GO:0051536    iron-sulfur cluster binding    Interacting selectively and non-covalently with an iron-sulfur cluster, a combination of iron and sulfur atoms.
    GO:0046872    metal ion binding    Interacting selectively and non-covalently with any metal ion.
biological process
    GO:0019646    aerobic electron transport chain    A process in which a series of electron carriers operate together to transfer electrons from donors such as NADH and FADH2 to oxygen to generate a transmembrane electrochemical gradient.
    GO:0055114    oxidation-reduction process    A metabolic process that results in the removal or addition of one or more electrons to or from a substance, with or without the concomitant removal or addition of a proton or protons.
cellular component
    GO:0042597    periplasmic space    The region between the inner (cytoplasmic) and outer membrane (Gram-negative Bacteria) or cytoplasmic membrane and cell wall (Fungi and Gram-positive Bacteria).

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  1cku
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 Related Entries

(-) Entries Sharing at Least One Protein Chain (UniProt ID)

UniProtKB/Swiss-Prot
        HIP_ALLVD | P00260: 1b0y 1hip 1hrq 1hrr 1js2 1neh 1noe

(-) Related Entries Specified in the PDB File

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